Research Lab - can it drill into eBay UK too?

Hello!Im brand new- and weighing up supply and demand in different product types in the research lab- trying to decide what to sell.I am selling out of London though and all the feedback I am getting is from the US ebay market- can it also drill to uk market?Uk market v different to US and so I would investing in products based perhaps on info that is not accurate for my market?Pls help!Thanks.Galmourblouse.